Atom probe analysis of the bulk amorphous Nd58Fe30Al10Dy2 ferromagnet

Atom probe analysis of the bulk amorphous Nd58Fe30Al10Dy2 ferromagnet
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大块非晶 Nd58Fe30Al10Dy2 铁磁体的原子探针分析

DOI:
10.1016/j.jallcom.2012.05.020
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发表时间:
2012-09
影响因子:
6.2
通讯作者:
Hui Xu
Hui Xu
中科院分区:
材料科学2区
文献类型:
--
作者:
Xiangyuan Xiong;Xiaohua Tan;Stephen J Collocott;Hui Xu

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利用原子探针场离子显微镜研究了Nd58Fe30Al10Dy2大块非晶合金铸态的显微组织和成分分布。铸态合金的显微组织由两个相组成:纳米晶颗粒和非晶基体相。首次确定了纳米晶颗粒和非晶基体的确切成分。添加的Dy原子分配到非晶基体相。这些定量结果为解决大块非晶合金的结晶机制问题提供了科学依据。
The microstructure and composition distributions of the bulk amorphous Nd58Fe30Al10Dy2alloy in the as-cast state have been studied using the atom probe field ion microscopy. The microstructure of the as-cast alloy comprised two phases: nanocrystalline particles and amorphous matrix phase. The exact compositions of the nanocrystalline particles and amorphous matrix have been determined for the first time. The added Dy atoms partitioned into the amorphous matrix phase. These quantitative results provide scientific basis for resolving the coercivity mechanism problems in the bulk amorphous alloys.
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